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1skn
From Proteopedia
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[[Image:1skn.gif|left|200px]] | [[Image:1skn.gif|left|200px]] | ||
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'''THE BINDING DOMAIN OF SKN-1 IN COMPLEX WITH DNA: A NEW DNA-BINDING MOTIF''' | '''THE BINDING DOMAIN OF SKN-1 IN COMPLEX WITH DNA: A NEW DNA-BINDING MOTIF''' | ||
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[[Category: Matthews, B W.]] | [[Category: Matthews, B W.]] | ||
[[Category: Rupert, P B.]] | [[Category: Rupert, P B.]] | ||
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Revision as of 05:49, 3 May 2008
THE BINDING DOMAIN OF SKN-1 IN COMPLEX WITH DNA: A NEW DNA-BINDING MOTIF
Overview
The DNA-binding domain of Skn-1, a developmental transcription factor that specifies mesoderm in C. elegans, is shown by X-ray crystallography to have a novel fold in which a compact, monomeric, four-helix unit organizes two DNA-contact elements. At the C-terminus, a helix extends from the domain to occupy the major groove of DNA in a manner similar to bZip proteins. Skn-1, however, lacks the leucine zipper found in all bZips. Additional contacts with the DNA are made by a short basic segment at the N-terminus of the domain, reminiscent of the 'homeodomain arm'.
About this Structure
1SKN is a Single protein structure of sequence from Caenorhabditis elegans. Full crystallographic information is available from OCA.
Reference
A new DNA-binding motif in the Skn-1 binding domain-DNA complex., Rupert PB, Daughdrill GW, Bowerman B, Matthews BW, Nat Struct Biol. 1998 Jun;5(6):484-91. PMID:9628487 Page seeded by OCA on Sat May 3 08:49:09 2008
